 In the 2001 Liberty Bowl, his first-ever major bowl game, Johnson started and intercepted a pass in the waning minutes of the fourth quarter to seal the Louisville Cardinals victory over the BYU Cougars 28-10.Johnson was drafted in the seventh round (245th overall) of the 2003 NFL Draft by the Green Bay Packers.Johnson was traded to the St. Louis Rams in exchange for linebacker Robert Thomas during the 2005 NFL season.